Tag: longitudinal joint sealant

The J-Band Blog

In Great Asphalt Moments , Industry News , Specialty Products

Paving Indiana’s Future: VRAM Joins the State Spec

INDOT Adopt VRAM
As of April 16, 2025, INDOT has released a state design memo specifying the use of Void Reducing Asphalt Membrane (VRAM) for Asphalt Paving in projects with category 2, 3 and 4 surface mixes.  Design Memo No. 25-10: Void Reducing Asphalt Membrane (VRAM) for Asphalt Paving  To: All Design Personnel...
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April 21, 2025 by Olivia Kortepeter
In Case Studies , Project Reviews

How Springfield, Illinois’s SR-29 Has Stood the Test of Time

IL-29 Close Up
How often are you repairing major roads? After years of wear and tear and damage from the elements, longitudinal joints are typically the first part of a pavement to fail. Water seeps into air voids at the most permeable part of the road and leads to premature maintenance and repair....
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February 13, 2025 by Olivia Kortepeter
In Infrastructure , Specialty Products

Sealing Joints Between Asphalt-Concrete Interfaces

VRAM is placed along the edge shoulder of a concrete lane so the asphalt-concrete interface can be sealed
Whenever asphalt pavement is laid along a concrete surface, such as a concrete lane, shoulder or curb, it is crucial to obtain a good bond. Bonding hot mix asphalt (HMA) to concrete is challenging as the HMA can pull away from the concrete creating an opening at the interface. These...
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December 20, 2024 by Olivia Kortepeter
In Business , Meet The Team , Our Applicators

Over 20 years of J-Band Preserving Roads with Evergreen Roadworks

two men in construction gear walk behind a truck on a road that is being paved with J-Band
The Need for a Longitudinal Joint Sealant  Every road is built with significant weak points where water can more easily permeate the pavement causing cracks and potholes. Road experts agree that longitudinal joints and rumble strips are the first to succumb to deterioration. Longitudinal joints typically have higher than normal...
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September 4, 2024 by Olivia Kortepeter
In Case Studies , Research and Studies

J-Band Fortifies the Centerline of SR-41 in Adams County, OH

A large truck sprays a thing band of liquid asphalt on the right of a road centerline
Road experts agree that the most vulnerable part of pavement is the center longitudinal joint. When facing natural elements and tension stress, voids in the joint lead to cracking and deterioration. This is why a void reducing asphalt membrane (VRAM) is essential to maintaining roads.   Applied just prior to construction,...
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July 23, 2024 by Olivia Kortepeter
In Case Studies , Research and Studies

LJS Project is Successful in Effingham County, Illinois

J-Band
A void reducing asphalt membrane (VRAM), more commonly known as a longitudinal joint sealant (LJS), is gaining momentum in the state of Illinois.   At the time of road construction, VRAM is applied under the surface where the longitudinal joint will be placed. After placement of hot mix asphalt (HMA), the...
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May 23, 2024 by Zoe Buhl